19005915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 32671296

約数和(自身を除く): 13665381

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1021, 1095, 1241, 3063, 3723, 5105, 6205, 15315, 17357, 18615, 52071, 74533, 86785, 223599, 260355, 372665, 1117995, 1267061, 3801183, 6335305, 19005915]

約数ペア:

[(1, 19005915), (3, 6335305), (5, 3801183), (15, 1267061), (17, 1117995), (51, 372665), (73, 260355), (85, 223599), (219, 86785), (255, 74533), (365, 52071), (1021, 18615), (1095, 17357), (1241, 15315), (3063, 6205), (3723, 5105)]